441. Specification for skateboards. (30th November 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
442. Work platforms. Code of practice for mobile scissor operated work platforms Part 1, (30th November 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
443. Code of practice for internal plastering. (31st October 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
444. Specification. Fire hydrant systems equipment. Landing valves for dry risers Part 2, (27th February 1976) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
445. Specification for breathing apparatus. Open-circuit breathing apparatus Part 2, (1st November 1977) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
446. Specification for standard directions of movement for actuators which control the operation of electrical apparatus. (28th November 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
447. Specification for high strength friction grip bolts and associated nuts and washers for structural engineering. Higher grade bolts (waisted shank), nuts and general grade washers Part 3, (31st October 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (23 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
448. Rigid polyurethane (PUR) foam produced by the press injection method. Specification for PUR foam for insulated panels for transport containers and insulated vehicle bodies Part 1, (31st July 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (11 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
449. Specification for men's uniforms. (31st December 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
450. Methods of test for rigid cellular materials. Methods 6-10 Part 2, (30th April 1973) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (29 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗